11320931 has 4 divisors (see below), whose sum is σ = 11327664. Its totient is φ = 11314200.

The previous prime is 11320919. The next prime is 11320949. The reversal of 11320931 is 13902311.

11320931 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13902311 = 17 ⋅817783.

It is a cyclic number.

It is not a de Polignac number, because 11320931 - 2¹⁴ = 11304547 is a prime.

It is a super-4 number, since 4×11320931⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11320901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541 + ... + 5001.

It is an arithmetic number, because the mean of its divisors is an integer number (2831916).

Almost surely, 2^11320931 is an apocalyptic number.

11320931 is a deficient number, since it is larger than the sum of its proper divisors (6733).

11320931 is an equidigital number, since it uses as much as digits as its factorization.

11320931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6732.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 11320931 is about 3364.6591209215. The cubic root of 11320931 is about 224.5401703572.

The spelling of 11320931 in words is "eleven million, three hundred twenty thousand, nine hundred thirty-one".